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Finding the Fourth Proportional to 58,765.68, 81,041.04 and 38,586.96

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Solution

The fourth proportional to 58,765.68, 81,041.04 and 38,586.96 is: 53,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,765.68 : 81,041.04 = 38,586.96 : x
  2. Step 2: Convert to fraction form
    58,765.68/81,041.04 = 38,586.96/x
  3. Step 3: Cross multiply
    58,765.68x = 81,041.04 × 38,586.96
  4. Step 4: Simplify right side
    58,765.68x = 3,127,127,368.84
  5. Step 5: Solve for x
    x = 3,127,127,368.84/58,765.68
  6. Step 6: Final answer
    x = 53,213.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.